Nissan Leaf. Manual — part 555
EVC-244
< DTC/CIRCUIT DIAGNOSIS >
P3131 SYSTEM SHUTOFF ERROR
5. Check DTC.
Is DTC detected?
YES
>> Proceed to
EVC-244, "Diagnosis Procedure"
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000010120700
1.
CHECK VCM POWER SUPPLY-1
1. Turn power switch ON.
2. Check the voltage between IPDM E/R harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> GO TO 2.
2.
CHECK FUSE
1. Turn power switch OFF.
2. Pull out #55 fuse.
3. Check the fuse is not fusing.
Is the inspection result normal?
YES
>> Replace IPDM E/R. Refer to
PCS-29, "Removal and Installation"
NO
>> Replace the fuse after repairing the applicable circuit.
3.
CHECK VCM POWER SUPPLY-2
1. Turn power switch OFF.
2. Disconnect VCM harness connector.
3. Turn power switch ON.
4. Check the voltage between VCM harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> GO TO 4.
4.
CHECK VCM POWER SUPPLY CIRCUIT
1. Turn power switch OFF.
2. Disconnect IPDM E/R harness connector.
3. Check the continuity between VCM harness connector and IPDM E/R harness connector.
Is the inspection result normal?
+
−
Voltage
IPDM E/R
Connector
Terminal
E15
57
Ground
12V battery volt-
age
+
−
Voltage
VCM
Connector
Terminal
E61
51
Ground
12V battery volt-
age
+
−
Continuity
IPDM E/R
VCM
Connector
Terminal
Connector
Terminal
E15
57
E61
51
Existed
P3131 SYSTEM SHUTOFF ERROR
EVC-245
< DTC/CIRCUIT DIAGNOSIS >
D
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EVC
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YES
>> Check intermittent incident. Refer to
GI-53, "Intermittent Incident"
.
NO
>> Repair or replace error-detected parts.
5.
CHECK VCM POWER SUPPLY-3
1. Turn power switch OFF.
2. Disconnect VCM harness connector.
3. Check the voltage between VCM harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 7.
NO
>> GO TO 6.
6.
CHECK VCM POWER SUPPLY-4
1. Disconnect ignition relay-2 (fuse block).
2. Check the voltage between VCM harness connector and ground.
Is the inspection result normal?
YES
>> The ignition relay-2 may stick to ON. Check the related circuits.
NO
>> The harness between fuse block and VCM may become shorted with power. Check the related
circuits.
7.
CHECK TRACTION MOTOR INVERTER POWER SUPPLY (POWER ON) CIRCUIT
1. Reconnect VCM harness connector.
2. Disconnect traction motor inverter harness connector (F13).
3. Turn power switch ON and erase DTC.
4. Perform confirmation procedure. Refer to
.
Is DTC “P3131” detected?
YES
>> GO TO 8.
NO
>> Check traction motor inverter power supply (POWER ON) circuit for short to power.
8.
CHECK LBC POWER SUPPLY (POWER ON) CIRCUIT
1. Turn power switch OFF.
2. Reconnect traction motor inverter harness connector.
3. Disconnect LBC harness connector (B24).
4. Turn power switch ON and erase DTC.
5. Perform confirmation procedure. Refer to
.
Is “P3131” detected?
YES
>> GO TO 9.
NO
>> Check LBC power supply (POWER ON) circuit for short to power.
9.
CHECK PDM (POWER DELIVERY MODULE) POWER SUPPLY (POWER ON) CIRCUIT
1. Turn power switch OFF.
2. Reconnect LBC harness connector.
3. Disconnect PDM (Power Delivery Module) harness connector (F23).
4. Turn power switch ON and erase DTC.
5. Perform confirmation procedure. Refer to
.
Is DTC “P3131” detected?
+
−
Voltage
VCM
Connector
Terminal
E62
74
Ground
0 V
+
−
Voltage
VCM
Connector
Terminal
E62
74
Ground
0 V
EVC-246
< DTC/CIRCUIT DIAGNOSIS >
P3131 SYSTEM SHUTOFF ERROR
YES
>> GO TO 10.
NO
>> Check on board charger power supply (POWER ON) circuit for short to power.
10.
CHECK A/C AUTO AMP. POWER SUPPLY (POWER ON) CIRCUIT
1. Turn power switch OFF.
2. Reconnect PDM (Power Delivery Module) harness connector.
3. Disconnect A/C auto amp. harness connector (M55).
4. Turn power switch ON and erase DTC.
5. Perform confirmation procedure. Refer to
.
Is DTC “P3131” detected?
YES-1 (With TCU)>>GO TO 11.
YES-2 (Without TCU)>>GO TO 12.
NO
>> Check A/C auto amp. power supply (POWER ON) circuit for short to power.
11.
CHECK TCU POWER SUPPLY (POWER ON) CIRCUIT
1. Turn power switch OFF.
2. Reconnect A/C auto amp. harness connector.
3. Disconnect TCU harness connector (M67).
4. Turn power switch ON and erase DTC.
5. Perform confirmation procedure. Refer to
.
Is DTC “P3131” detected?
YES
>> GO TO 12.
NO
>> Check TCU power supply (POWER ON) circuit for short to power.
12.
CHECK INTERMITTENT INCIDENT
Check intermittent incident. Refer to
GI-53, "Intermittent Incident"
.
Is DTC “P3131” detected?
YES
>> Replace VCM. Refer to
EVC-423, "Removal and Installation"
.
NO
>> Repair or replace error-detected parts.
P3135 SLIGHT COLLISION DETECTION
EVC-247
< DTC/CIRCUIT DIAGNOSIS >
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P3135 SLIGHT COLLISION DETECTION
DTC Logic
INFOID:0000000010120701
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
CHECK AIR BAG MODULE
Check that the air bag modules are not inflating.
Is air bag module inflating?
YES
>> Refer to
SR-15, "For Side and Rollover Collision"
.
NO
>> GO TO 2.
2.
PRECONDITIONING
• Turn power switch OFF and wait at least 90 seconds.
CAUTION:
During this period, never perform vehicle handling such as opening and closing of doors. If some
kind of vehicle handling is performed, then wait another 90 seconds or more from the time of the
vehicle handling.
• Make sure that 12V battery voltage is 11 V or more.
>> GO TO 3.
3.
PERFORM DTC CONFIRMATION PROCEDURE
Turn power switch ON and wait at least 5 seconds.
Is DTC detected?
YES
>> Proceed to
EVC-247, "Diagnosis Procedure"
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000010120702
1.
CHECK THE IMPLEMENTATION OF AIR BAG MODULE REPLACEMENT
Check to see if there is a record of air bag module replacement.
Is there a record of air bag module replacement?
YES
>> GO TO 2.
NO
>> GO TO 3.
2.
PERFORM DTC CONFIRMATION PROCEDURE AGAIN
1. Erase DTC.
2. Perform DTC confirmation procedure again. Refer to
Is DTC “P3135” detected again?
YES
>> GO TO 3.
NO
>> INSPECTION END
3.
CHECK SLIGHT COLLISION DETECTION SIGNAL
With CONSULT
On the CONSULT screen, select “EV/HEV” >> “DATA MONITOR” >> “LIGHT CRASH JUDGMENT”.
DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P3135
SLIGHT COLLISION DETEC-
TION
(Slight collision detection)
VCM received car crash information signal from air bag diag-
nosis sensor unit
• Air bag inflated
• CAN communication
signal
• Air bag diagnosis sen-
sor unit
• VCM
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